<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>flex布局概念</title>
    <style>
        .box
        {
            box-sizing: border-box;
           width: 500px;
           height: 500px;
           background-color: orange;   
           display: flex;    
           justify-content: space-around; 
        }

        .item
        {
            width: 80px;
            height: 100px;
            background-color: red;
            
        }
    </style>
</head>
<body>

    <div class="box">

        <div class="item">1</div>
        <div class="item">2</div>
        <div class="item">3</div>
        <div class="item">4</div>
        <div class="item">5</div>
        
    </div>
    
</body>
</html>